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Crossley . 104

10th November 1931
Page 10
Page 10, 10th November 1931 — Crossley . 104
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OIL-ENGINED vehicles occupy a prominent place in the Crossley programme, for a double-deck chassis and a 50-seater covered-top bus, together with a 6-ton heavy-duty goods-carrying chassis, are on view. In addition, of course, the well-known 38-110 h.p. sixcylindered Crossley petrolengined vehicles are also to be seen, one taking the form of a 32-seater service-type bus, whilst the other is a luxury coach.

As the 6-tonner is the latest addition to the range, it is therefore of particular interest. Built on the sturdy lines which have made Crossley vehicles famous throughout the world, it is a thoroughly substantial structure from front to rear. The frame is well braced and has deep side-members to enable it to carry a badly distributed load. The vehicle is powered by the now wellknown Crossley six-cylindered compression-ignition engine which develops something in the order of 100 b.h.p.

The crankshaft has a very convincing appearance, for each of the seven main bearings is of large diameter and is wide in proportion, whilst the webs are designed to take care of torsional stresses. Overhead valves are employed, these being operated by push-rods and rockers from a camshaft contained in the crankcase. A valveless, constantstroke single-plunger-per-cylinder fuel pump is employed and is provided with an advance-and-retard device. Fuel is fed to the...pumps via an Autovac of large capacity, the necessary suction for which, together with a vacuum-servo mechanism, is supplied by an exhauster pump coupled up to the auxiliary line. Forward control is provided and all the accessories which may require periodical attention or examination are grouped on the near side of the engine.

The transmission is of straightforward but sturdy lines ; a single-plate clutch and a four-forward-speed gearbox, with right-hand gate change, convey the drive to a fully floating rear axle with double-reduction gearing. Four-wheel brakes are operated by the pedal, the shoes in the rear drums being applied mechanically through a master servo coupled up to the pedal rod in the normal manner, whilst the front brakes are applied by servo-motors mounted on the steering heads. Giant pneumatics (40 ins. by 8 ins.) are used throughout. Completely equipped, the chassis costs £1,440.

The double-deck passenger chassis are powered by a similar type of engine known as the Condor. This unit also develops something in the order of 100 b.h.p. The electrical equipment includes a special starter of the heavyduty type. A feature of interest on the open chassis takes the form of a Crossley patent automatic gear-change device, which is really a free wheel operated by the clutch pedal and situated in the transmission line immediately behind the gearbox. With the clutch fully home a solid drive is obtained, whilst by depressing the clutch pedal the gearbox is isolated from the rest of the transmission. It is, therefore, a simple matter for the driver to engage pinions which are stationary.

The passenger chassis all have wheelbases of 16 ft. 71 ins, and tracks of 6 ft. 31,/ ins. (front) and 5 ft. 101 ins. for the rear wheels.

Little alteration is shown in the petrol-engined service bus and luxury coach ; the six-cylindered unit rated at 38.4 h.p. continues much as heretofore. —Crossley Motors, Ltd., Gorton, Manchester.

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Organisations: US Federal Reserve
Locations: Manchester

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